The rationale for taking bold action on the nation's persistently failing schools can be summed up in one dramatic and disturbing statistic: half of the young Americans who drop out of high school attend just 12 percent of the nation's schools. Ending the cycle of failure at schools is a daunting challenge and a surprisingly controversial one.…

As a new decade dawns, teachers stand at the center of a policy vortex. They serve as the primary focus of one of the Obama administration's four pillars of educational reform--effective teachers and leaders. Educational reformers of all stripes have focused tremendous energy on thinking of ways to identify effective teachers and in turn recruit,…